cd ~

cd ~/bin

cd public_html/perljam/

cd $ENV{HOME}

chown 755 ucsevsix sampledir/

chown -R 755 ucsevsix sampledir/

clear

compress -fv *
AND unzip -l a.zip
 (to show what's in "a.zip")

convert -version
    [imagemagick executable]

df .

diff 

dir
  [not an alias, real Linux command]
  "ls -C -b" is same as "dir" will show directories in vertical columns
  "ls -la"   shows directories with permissions, owner, group, size, date, name

du -c -h /home2/ucsevsix/public_html

du       --exclude='*well-known*'

du -c -h --exclude='*well-known*' /home2/ucsevsix/public_html

echo $PATH

echo $(( $(getconf ARG_MAX) - $(env | wc -c) ))

echo $var | awk '{print length($0)}'

enscript -Br -fCourier8 filename.lst

env | wc -c

expr 2 + 7
9

expr 9 - 7
2

expr 3 \* 6   # for some reason, need to enter backslash before "*"
18

expr `getconf ARG_MAX` - `env|wc -c` - `env|wc -l` \* 4 - 2048

find . -name *my.cnf*

find ~/. -name *my.cnf*

find ~/ -name *my.cnf*

find . -name "*19*.req" -print

find . -name "*.req" -print | xargs rm
   DO NOT ENTER THIS COMMAND
 Magic bullet for deleting massive
 number of files in Linux. This
 gets around the "argument too long"
 error message

getconf ARG_MAX

grep bullet ~/public_html/perljam/*.pl

grep -w Bullet ~/public_html/perljam/*.pl
  [-w searches for whole word]

grep -r 'font' .
  [-r recursive, use period at end]

grep -i 'font' *.html
  [-i ignore case]

grep -l 'font' *.pl
  [-l filename only]

grep -ril 'font' .
  [recursive, ignore case, filename only]

grep -v 'text/java' myfiles.html
  [-v no match, selects non-matching lines]

grep -i 'javascript' *.html | grep -v 'text/java'

history

htop - displays real-time advance, color coded process viewer

identify -version
  imagemagick

jpico my_linux_file

ls -alx | grep /

ls -alx | grep / | grep -v nfs

THIS NEEDS WORK -------------------->

ls --ignore  (similar to --exclude for "du")

ls -I "*.log"

ls -l (which automatically hides items starting with ".")

ls -l -I ".*"   ignores directories starting with a dot ".xxxx"

ls -l -I ".*" -I "access-logs*" -I "www*"

man ulimit

man chgrp | col -b > hlpchgrp.txt
  use this to create help files
  in easy to read format

more .mysql_history

more .bash_history

more filename.* | grep stuff

nohup compress * 

pico my_unix_file

ps -ef | grep ucsevsix

ps -ef | grep sqlplus

perl executive_dashboard_mms.pl

perl -version

perl -MLWP::Simple -e 'getprint "http://wireless.schwab.com/pub/q?TY=ind&mk=xhtml"'
  # Still works

perl -MLWP::Simple -e 'getprint "http://wireless.schwab.com/pub/q?TY=ind&mk=xhtml"' |grep Dow

perl -MLWP::Simple -e 'mirror ("http://wireless.schwab.com/pub/q?TY=ind&mk=xhtml",BRUCE_FILE)'
   more BRUCE_FILE

perldoc -f sort

pwd - present working directory

sar -q

strings -f * |grep pass

tail -25 /etc/filename.ext

top

top -n1

ulimit -s

ulimit -a

uname -a

/usr/sbin/psrinfo -v

wget - downloads files from target http or ftp links

which perldoc

who | grep bfd

whoami

whereis perl

Misc DOS commands:
  file:///c:/
  file:///c|/WINNT/system32/cmd.exe
    {only works in MSIE}